Home / 129,837.40-194,741.70-36,352.60

Finding the Fourth Proportional to 129,837.40, 194,741.70 and 36,352.60

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Solution

The fourth proportional to 129,837.40, 194,741.70 and 36,352.60 is: 54,524.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,837.40 : 194,741.70 = 36,352.60 : x
  2. Step 2: Convert to fraction form
    129,837.40/194,741.70 = 36,352.60/x
  3. Step 3: Cross multiply
    129,837.40x = 194,741.70 × 36,352.60
  4. Step 4: Simplify right side
    129,837.40x = 7,079,367,123.42
  5. Step 5: Solve for x
    x = 7,079,367,123.42/129,837.40
  6. Step 6: Final answer
    x = 54,524.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.